The difference between the two square roots of a whole number is about 5.3 what is the number

Ineed with math stuff it involves graphs

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red